Video streaming platforms like YouTube, Netflix, Hotstar, Amazon Prime, and Vimeo serve millions of hours of video daily. Designing such a system is challenging because video streaming is bandwidth-heavy, latency-sensitive, and highly scalable by nature. Unlike text or images, video data is large, continuous, and must be delivered smoothly even under unstable network conditions. In […]
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Notification systems are a critical infrastructure component for modern applications. Whether it is an OTP SMS, an order confirmation email, a push notification for a social update, or an internal system alert, notifications form the bridge between backend systems and end users. At small scale, sending notifications may appear trivial. However, at scale—where millions of
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Failures are inevitable in distributed systems.Servers crash, networks fail, and data centers go down. Good system design focuses not on preventing failures, but on handling them gracefully. In this blog, we’ll cover fault tolerance, failover, and high availability, and how modern systems stay reliable at scale. Understanding Failures in Distributed Systems Common types of failures
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